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Old 04-11-07, 10:16 AM
  #6  
Al1943
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Join Date: Feb 2005
Location: Oklahoma
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Bikes: Trek 5500, Colnago C-50

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The OP says 1999 Trek 5000. That bike was originally equipped with 9-speed 105.
9-speed and 10-speed 105 are double/triple compatible, so far.

Al
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